hinkley



(No Model.) 5 Sheets-Sheet 1.

G. M. HINKLEY.

BAND SAW MILL.

No. 348,280. Patented Aug. 31, 1886.

(No Model.) 5 Sheets-Sheet 2.

G. M. HINKLEY.

BAND SAW MILL.

No. 348,280. Patented Aug. 31, 1886.

N. FETERS, Fhutqilkhugrapher. Washingmn, uc.

(No Model.) 5 Sheets-Sheet 3.

G. M. HINKLEY. BAND SAW MILL.

No. 348,280. Patented Aug. 31, 1886.

N. PETERS Phom-Lnho n nar. Washinglon, n. c.

(No Model.) 5 Sheets-Sheet 4.

- G. M. HINKLEY.

BAND SAW MILL.

,280. Patented Aug.'31, 1886.

(No Model.) 5 Sheets-Sheet 5. G. M. HINKLEY.

BAND SAW MILL.

A i 'l. U A N h 1b,;

N, PETERS, Phnloiithogrzphur, wnningmn, D. c.

UNITED STATES PATENT OFFICE.

GEORGE M. HINKLEY, OF MILYVAUKEE XVISCONSIN, ASSIGNOR OF ONE-HALF TOEDXVARD P. ALLIS, OF SAME PLACE.

BAND-SAW MILL.

SPECIFICATION forming part of Letters Patent No. 348,280, dated August31, 1886.

Application filed March 25, 1866. Serial No. 196,450. (No model.)

To all whom, it may concern: K, as clearly shown in Figs. 2 and 3, allthe Be it known that I, GEORGE M. HINKLEY, wheels I J K being rigidlykeyed to the shaft. of Milwaukee, in the county of Milwaukee L indicatesa shaft extending at an angle and State of \Visconsin, have inventedcertain across the front side of the machine, carrying new and usefulImprovements in Band-Saw at one end a bevel friction-wheel, M, and at 55Mills, of which the following is aspecification. its other end a smallbevel gear-wheel, N, My invention relates to band-saw mills; and whichlatter is adapted to mesh with a larger it consists, first, in a novelconstruction of bevel-gear, O, on the shaft G, as shown in mechanism forimparting motion to the saw Figs. 2 and 3. The friction-wheel M of shaftand the traveling carriage; second, a novel L extends in between thefrietion-whcels J K, 60

construction of devices for raising and lowerso as to run in contactwith one or the other, I ing the upper saw-guide; and, third, in a asmay be desired, and to permit such contact novel construction of theguide itself. and change in driving-surfaces and consequent In thedrawings, Figure l is a side elevation speed the front end of shaft L ismounted in of a band-saw mill embodying 'my improve a bridge orcross-bar, P, shown in detail in 65 ments, the traveling saw-carriagebeing shown Figs. 4, 5, 6, and 7. The bridge P is provided in endelevation; Fig. 2, a top plan view of with a box or bearing, 1', inwhich is mounted themachine; Fig. 8, ahorizontalsection showacylindrical block, j, shown in Figs. 4, 5, and ing the mechanism fordriving the saw and the 6, said block j being provided with bearingscarriage; Figs. 4, 5, 6, and 7, detail views 1e it, for the shaft L,eccentric to the block j. 70 lating to the driving mechanism; Figs. 8,9, The block j is further provided on its front and 10, viewsillustrating the mechanism by face with a socket, Z, for the receptionof a which the upper saw-guide is raised and lowhand-lever, m, by whichthe block j may be ered; Figs. 11, 12, and 13, views illustrating turnedor rotated in its bearing i, to bring the 2 5 the construction of theupper guide. bearing is to one or the other side of the center 7 5Referring now to Figs. 1, 2, and 3, the mechof the block j. anism bywhich motion is imparted to the saw The device being thus constructedoperates and to the traveling carriage will be explained. as follows:Motion being imparted to shaft H In mills of this character the carriagemust through band-wheel I is of course transmithave reciprocatingmovement past the saw, ted to the saw through the lower saw-support- 80and to accomplish this by means of the power ing wheel, Q. Thehand-leverm is now moved applied to drive the saw is one of the objectsso as to bring the friction-wheel M, carried by of the presentinvention. shaft L, into contact with the small bevel frie E representsthe saw-mill carriage, which tion-wheel K. The motion imparted to wheelmaybe of the usual construction, the said car- K is transmitted throughfriction-wheel M, 85 riage being attached at each end by a band or shaftL, gears N O, shaft G, and drum F to rope (not shown) to a winding-drum,F, the carriage, and causes the proper feed of mounted on a shaft, G,journaledin asuitable the same. When the cut is completed, the bearing.As the shaft G is rotated in one dihand-lever m is reversed, and thefriction- 0 rection, the rope or band unwinds and causes wheel M made tomove in contact with the 0 the carriage to move in one direction, andinner face of the friction-wheel J, whereupon when rotatedin the reversedirection the rope a reverse and much more rapid movement of or bandwinds upon the drum and causes the the carriage is effected for giggingback. carriage to travel in the reverse direction, as The amount of playthe friction-wheel M has usual in this class of mills. between thefriction-wheels J K is very slight, 95

H indicates the main shaft of the machine, and only a very slightmovement of the handprovided with aband-wheel, I, through which lever isrequired to shift the lever L. motion is imparted to the machine; and,fur- In order to assist in securing and maintainther, provided with alarge hollow frictioning proper alignment of the shaft L the crosswheel,J, and a smaller bevel friction-wheel, bar or bridge P is provided ateach end with I00 ing from the inner face of the guide arm S is a lug,r, threaded to receive a screw, 8, the latter being shouldered andsupported at its lower end in any suitable bearing. T indicates a rodconnected to the screw 8 by means of a universal joint, t, the rod Tbeing provided at its lower end with a bevel frictionwheel, U, as shownin Fig. 9, and supported at a point above the friction-wheel U by abridgetrce, a. The bridgetree u is pivoted at its rear end to a lugprojecting from the rear of the upright column R, and extends throughsaid column to the front face thereof. As indicated by dotted lines inFig. 1, the rod T also extends through the front face of the uprightcolumn B, and terminates directly over the shaft H. As shown in Figs. 3and 8, the shaft H is provided with fixed bevel friction-wheels V andNV, between which the friction-wheel U hangs, the latter being arrangedto hang freely between and out of contact with both of said wheels or tomove in contact with either at will. Of course, if the wheel U shouldrun in. contact with wheel V, it would turn, the screw sin one directionand cause a movement of the guide-arm; but if the wheel U should move incontact with the wheel W it would cause a reverse movement of the screwand guide-arm. The direction of rotation of the shaft H and thethreading of screw 5 will of course determine which of the wheels 'V WVwill be used to raise and which to lower the guide arm. As previouslystated, and as clearly shown in Fig. 10, the bridge-tree a, supportingthe shaft T, projects through the front side of the upright column B,where it is connected to a hand-lever, X, by means of a link, 1;, thehand -lever being pivoted at a point above the link to a bracket orsupport, 10, rigidly secured to the standard R. It will be seen that asthe hand-lever is rocked on its pivot it moves the bridge-tree u, andthe shaft T, carried thereby,in the direction of the length of shaft H,and will cause the friction-wheel U to come into contact with wheels Vor XV, according to the direction in which the handlever is moved. Aspring-dog, 00, secured to the bracket 10, engages with the end of thehand-lever X, and holds said lever normally in avertical position, thusrendering the wheel U inoperative.

Fig. 1 is a side or end view of my improved guide; Fig. 12, a face Viewpartly in section; and Fig. 13, atop plan view. The end of the guide-armS is provided with a slot'or groove, 1), extending horizontally acrossits face, as shown in Fig. 12, the groove being fitted to receive awebor rib, 0, formed upon the rear face of a plate, A, secured to theguide-arm S by means of a bolt, y, from which it will be seen that theentire guide Y may be moved laterall y across the end of the guide-arm.The bolt 3 is provided with an enlarged head, as shown in Fig. 13, andprojects through a slot. Shown in dotted lines in Fig. 12 in theguide-arm.) The plate A is provided with a laterally-extending arm, (1,and with a horizontal plate, 6, the former having at its end a bolt, f,and the latter having a bolt, 9. The horizontal plate 6 is countersunkor recessed on its under face around the bolt 9, to form a circularsocket, h, to receive a hub or boss, '5, formed upon the upper face of aplate, j, secured to the plate 0 by means of the bolt 9. This plate j isformed with a laterally-extending arm, corresponding to and beneath thearm d of plate A, and said arm 7c is formed with a curved slot, Z,through which and the arm d the boltf passes, as shown in Figs. 11, 12,and 13. The sides or edges j are -beveled,as shown in Fig. 12, and slidein guides or ways formed upon the main portion of the guide.

Projecting from the guide Y, beneath the arm S, is a lug, m, in which isswiveled the shank of a screw, 12, provided with a handwheel, B, at oneend,and screwing at the other end into a lug, 0, formed upon theunderside of the plate j, as shown in Figs. 11 and 13 and by dottedlines in Fig. 12. From this construction it will be seen that by turningthe hand-wheel B in one or the other direction the guides on the innerface of the saw maybe moved to and from the latter, as desired. Theouter portion of the guide Y is formed of two sections, Z and 2, asshown in Fig. 12, the upper section, Z, being formed with adownwardly-projecting ear orlug, p,through which passes a screw, q,having at one end a handwheel, 0,,by which it may be turned. The uppersection, Z, is dovetailed into the lower section, .2, as shown in Fig.11, and is adjustable longitudinally npon the latter by means of thescrew g, which screws into a lug, r, on the section 2, as shown indotted lines in Fig. 12. This adjustment enables the lower section, 2:,of the guide, or the block a, carried thereby, to be moved closer to orfarther from the rear edge of the saw, and also to compensate for wearof the block. Now, should it be found that the guidingblocks a were notparallel with the face of the saw, they could not be made so by theadjustment of either of the screws n q, as both of said screws move theguide-sections in fixed predetermined right lines. To accomplish orsecure this parallelism it is only necessary to loosen the bolts f g andturn the platej upon the boltg as a pivot until the guiding-blocks areparallel with the face of the saw, whereupon the bolts f 9 may betightened and the plate held in position. The upper arm, Z, extendsoutward beyond the lower arm, 2, and supports the saw near thecutting-edge, while the lower arm, 2, supports the inner face or sidewalls of the saw. Each of the arms Z and z is provided with a taperingdovetailed socket, in which is driven,

IOO

IIO

a block, a, of wood, preferably lignum-vitzc. As these blocks a arebeveled on their edges and taper lengthwise, they ean be fitted quiteeasily with a plane and driven tightly to their seat. IVhen once driven,they need no fastening screws or bolts or other securing devices.

In using the term gear I do not wish to be understood as limiting myselfto the use of toothed or friction gear, as it is obvious that eitherthese or other forms of gearing may be used with equal advantage.

I do not in this application claim the construction of the uppersaw-supporti n g wheel, as this feature will form the subiectmatterof asepa rate application, to be filed asa division of the present case.

Having thus described my invention, what I claim is 1. In combinationwith main shaft H and gear-wheels J K thereon, saw-carriageoperatingshaft G, a gear-wheel, O, thereon, and shaft L, provided at one end witha gear, N, to mesh with wheel 0, and at the other end with a gear, III,to run in contact with either of the wheels J Kat will, whereby theshaft L may be rotated in one or the other direction, according asitisdesired to feed or to gig.

2. In combination with shaft H and gearsJ K,of different diameters,mounted thereon,carriage-operating mechanism, and shaft L, connected atone end to the carriage-operating mechanism, and adapted, substantiallyas shown and described, to have motion imparted to it by either of thewheels J K at will,where by a differential speed of the carriage issocured.

8. In a bandsaw mill, in combination with a main driving-shaft, II, anda carriage-operating shaft, G, both mounted in fixed bearings, an,intermediate shaft, L, to communicate motion from the shaft II to shaftG substantially in the manner shown, a cross-bar, I, and an cecentricbearing for the shaft L at the end nearest the main shaft mounted in thecrossbar.

4. In a baud-saw mill, the combinatiomwith the main shaft H and acarriage-operating shaft, G, of an intermediate connecting shaft, L, across-bar, I, provided with abearing, t, a block, j, mounted androtatable in said bearing, an eccentric bearing, 7;, for the shaft L,and a hand-lever, m, secured to the block 7', adapted and arranged torotate or rock the latter and move the shaft L laterally, as and for thepurpose set forth.

5. In a band-saw mill, in combination with an upright or standard, aguide-arm moving on ways thereon, a screw for raising and lowering saidguide-arm, a gear-wheel for imparting motion to said screw, a mainshaft, gearwheels secured rigidly thereon, and a handlever for throwingthe gear on the screw-stem into engagement with either of the gears onthe main shaft at will.

(3. In a band-saw mill, the combination,with a shaft provided with twobevel-gears, of a vertically-adjustahle saw-guide arm provided withabevel gear-wheel between the two bevelgears on the main shaft, and ahand-lever or its equivalent, arranged substantially as shown, to causethe gear-wheel to mesh with either of those on the main shaft at will.

7. In a band-saw mill, the combination of standard It, guide-arm S,movable thereon,

screw 8, for raising and lowering the guidearm, a rod, T, connected toscrew 8 by means of a universal joint, abridge-tree, a, supporting-rodT, a gear, U, on the end of the rod, main shaft H, gears VIV thereon onopposite sides of gear 'U, and a hand-lever, X, for moving thebridge-tree u laterally, as and for the purpose set forth.

8. In aband-saw mill, the combination,with the standard, the guide arm,and the mechanism for raising and lowering the guide-arm, of the pivotedbridge-tree u, a hand-lever, X, connected with the bridge-tree, and alocking device, as a for holding said lever in any de sired position.

9. In aband-saw mill, the combination, with an upright column, B, of aguide-arm, S, projecting laterally therefrom, a slotted groove,

1/, across the outer end of the guide-arm, a

saw-guide, Y, provided with a vertical plate, A, and a bolt, 9 passingthrough the plate and slotted groove, substantially as shown, and forthe purposes set forth.

10. In a band-saw mill, the combination, with a guide-arm, as S, of aplate, A, secured to the end thereof, a saw-guide, Y, secured to theplate by means of a vertical pivot, g, and capable of rotatinghorizontally thereupon, the guide being composed of the parts Z 2,adapted to slide one upon the other, substantially as described.

11. In a band-saw mill, the combination, with an arm, as S, of a plate,A, seeuredthereto, rovided with ahorizontal plate, 0, and an arm, (1,platej, secured to plate 6 by means of a bolt, 9, and connected to thesaw-guide, whereby the guide may be swung about the bolt 9 as a pivot tobring the guide-blocks parallel with the face of the saw.

12. In a band-saw mill, the combination of an arm, as S 5 a platesecured thereto provided with arm (1 and horizontal plate 0; a plate,j,secured to the latter by a bolt, 9; a socket, h, in the under face ofplate 6, around the bolt g; a plate, j, formed with ahub or boss, 1', tofit into said socket h,- an arm, k, secured to plate 7", and a bolt, f,passing through the arms (1 as and for the purpose set forth.

13. In combination with a band-saw mill, the guide-arm S, saw-guide Y,comprising the parts Z and z, a screw, 01, adapted to move the guide toand from the face of the saw, and a screw, q, swiveled in the part Z andadapted to move the same upon the part 2.

GEORGE M. HINKLEY.

\Vitnesses:

WM. W. ALLIs, Enw. P. ALLIs, Jr.

